Finding the Fourth Proportional to 245,788,138.83, 368,424,699.93 and 114,522,177.81
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Solution
The fourth proportional to 245,788,138.83, 368,424,699.93 and 114,522,177.81 is: 171,663,283.65
Step by Step Solution
- Step 1: Write the proportion equation
245,788,138.83 : 368,424,699.93 = 114,522,177.81 : x - Step 2: Convert to fraction form
245,788,138.83/368,424,699.93 = 114,522,177.81/x - Step 3: Cross multiply
245,788,138.83x = 368,424,699.93 × 114,522,177.81 - Step 4: Simplify right side
245,788,138.83x = 42,192,798,994,979,360 - Step 5: Solve for x
x = 42,192,798,994,979,360/245,788,138.83 - Step 6: Final answer
x = 171,663,283.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.